METHOD FOR PURIFYING POLYETHER POLYOLS MADE WITH DOUBLE METAL CYANIDE CATALYSTS

A method for purifying polyether polyols made with double metal cyanide (DMC) catalysts is disclosed. A poly(oxypropylene) polyol containing DMC catalyst residues is combined with an amount of an alkali metal compound sufficient to convert DMC residues to an insoluble species, but not sufficient to...

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Bibliographische Detailangaben
1. Verfasser: RUSZKAY, JUDE T
Format: Patent
Sprache:eng ; fre
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